Question

1. which choice completes the text so that it conforms to the conventions of standard english? when, in 2018, scientists in germany discovered a fossilized brittle star with three thick, spine - studded arms positioned opposite three thin, undeveloped ones, they found something never before seen in the fossil - clonal fragmentation, a type of asexual reproduction, an animal splits itself in two, each half then regrowing its missing limbs - just what the brittle star was doing. a. record. evidence of cloning in b. record—evidence of cloning in c. record, evidence of cloning, in d. record: evidence of cloning. in

Explanation:

In Standard English, a dash is used to set off an appositive or an explanation. Here, "clonal fragmentation, a type of asexual reproduction..." is an explanation of what was found in the brittle - star fossil. Option B uses the dash correctly to set off this explanatory phrase. Option A has an incorrect pre - position "in" after "evidence". Option C and D have incorrect word order and punctuation usage.

Answer:

B. record—evidence of cloning in